Beautiful End said:
"Ocarina of Time sucks",...
You did not just say Ocarina of Time sucks. Half-Life may a landmark game of sorts, but in the end it is just another game.
Ocarina of Time on the other hand is THE GREATEST GAME OF ALL TIME! This game has been number one on so many lists, lists that include Half-Life. Every time it is pit against this "Half-Life", it beats it. OoT is the pinnacle of adventure games! Simple fun mechanics, an EPIC story, a wide range of tactics, and weapons. Plenty of fun side-quests, some of which provide an entirely different game altogether (fishing, bowling, mask salesman). Only the Mass Effect series has come close to dethroning the greatness that is "The Legend of Zelda: Ocarina of Time".
Just look at these lists!
Ocarina of Time #1, Half-Life #43 - VGChartz
http://www.vgchartz.com/article/3742/the-vgc-top-100-best-games-of-all-time-10-1/
Ocarina of Time #2, Half-Life #22 - IGN
http://top100.ign.com/2005/001-010.html
Zelda OoT #11, Half-Life #16 - G4
http://maryland.247sports.com/Board/56/Top-100-Video-Games-of-All-Time-G4s-list-and-show-10098782/1
Zelda #1, Half-Life not on the list (HL2 and Counter-Strike made the list though)
http://www.edge-online.com/features/100-best-games-play-today/11/
Need I say more?
On Topic: My point is, Half-Life may not hold up well, but is was a game changer. I remember the demo I played being amazing at the time, and I already owned Goldeneye for the N64. Day of Defeat was awesome back in the day, as there weren't many WW2 multiplayer shooters at the time. Alas, I missed out on Half-Life, and before long Deus Ex was all anybody ever talked about.